Question: "Where was the place of activity for Erich Von dem Bach-Zelewski, that was on lake in the Westhafen Canal ?"
Paraphrase: Where was the area of recreation for Erich Von dem Bach-Zelewski, that was once on lake in the Westhafen Canal ?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q57267 wdt:P937 ?answer . ?answer wdt:P206 wd:Q1532109}
Answer: Berlin